Bid Optimization: Amazon PPC Definition

Bid Optimization is the continuous process of adjusting your keyword and target bids to maximize advertising profitability. It's essential for maintaining healthy ACoS while scaling ad spend.

How Bid Optimization Works

Amazon PPC uses an auction system. Your bid determines:

Whether your ad shows
Where your ad appears (placement)
How much you pay per click

The Goal

Find the optimal bid that maximizes profitable clicks, not just any clicks.

Manual vs Automated Bidding

Manual Bidding

You set and adjust each bid
Full control
Time-intensive
Hard to scale

Amazon Dynamic Bidding

Down only: Amazon lowers bids for low-converting searches
Up and down: Amazon adjusts bids based on conversion likelihood
Fixed bids: No automation (traditional approach)

Third-Party Automation (like Shurq)

AI-powered optimization
24/7 bid adjustments
Rules-based automation
Target ACoS/ROAS goals

Bid Optimization Strategies

By Performance

High ROAS + High Volume = Increase bid
High ROAS + Low Volume = Increase bid moderately
Low ROAS + High Volume = Decrease bid
Low ROAS + Low Volume = Pause or decrease significantly

By Placement

Top of search: Often worth +50-100% bid
Product pages: Lower conversion, lower bids
Rest of search: Test and optimize

Bid Optimization Best Practices

Set target ACoS first - Know your goal
Allow learning time - 7-14 days minimum data
Make incremental changes - 10-20% adjustments
Consider seasonality - Adjust for demand cycles
Automate when possible - Scale efficiently

Examples

→Increasing bid 15% for keyword with 3x ROAS
→Using dynamic bidding (down only) for new campaigns

Related Terms

ACoS

Advertising Cost of Sale - measures ad spend as a percentage of ad revenue.

ROAS

Return on Ad Spend - measures revenue generated per dollar of ad spend.

CPC

Cost Per Click - the amount you pay each time someone clicks your ad.

Negative Keywords

Keywords you exclude to prevent your ads from showing on irrelevant searches.

What is Bid Optimization?